Dmitry Antipov fe9644efd8 wifi: cfg80211: wext: add extra SIOCSIWSCAN data check
[ Upstream commit 6ef09cdc5ba0f93826c09d810c141a8d103a80fc ]

In 'cfg80211_wext_siwscan()', add extra check whether number of
channels passed via 'ioctl(sock, SIOCSIWSCAN, ...)' doesn't exceed
IW_MAX_FREQUENCIES and reject invalid request with -EINVAL otherwise.

Reported-by: syzbot+253cd2d2491df77c93ac@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=253cd2d2491df77c93ac
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://msgid.link/20240531032010.451295-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-25 09:50:47 +02:00
..
2023-05-31 13:06:57 +02:00
2024-07-18 13:21:13 +02:00
2023-08-29 17:39:15 -07:00
2024-07-25 09:50:43 +02:00
2024-05-17 12:02:02 +02:00
2024-06-12 11:12:12 +02:00